誓言本应天荒地老诺言兮情天涯海角
[shì yán bĕn yīng tiān huāng dì lăo nuò yán xī qíng tiān yá hăi jiăo]
It translates to 'Vows should last until the end of time, but promises of love seem far beyond the ends of the earth.' This phrase describes someone's regret and sorrow because vows did not match with what was expected to last forever. It depicts heartache after failed eternal commitments.